USGS 7093-CO Fairbanks-Rampart area (Ordovician of the United States)

Also known as 68ACn1751

Where: Alaska (65.6° N, 147.4° W: paleocoordinates 13.8° N, 58.5° W)

• coordinate stated in text

When: Late/Upper Ordovician (458.4 - 443.8 Ma)

Environment/lithology: lithified, tuffaceous limestone and lithified, gray quartzite

• Tuffaceous limestone containing corals in growth position, underlying Tolovana Limestone

Size class: macrofossils

Collected by Churkin in 1968

Primary reference: W. A., J.r. Oliver, C. W. Merriam, and M. Churkin. 1975. Ordovician, Silurian, and Devonian corals of Alaska. United States Geological Survey Professional Paper 823-B:13-44 [A. Miller/S. Kolbe/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 100886: authorized by Arnold Miller, entered by Sarah Kolbe on 14.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Favositida - Favositidae
"Palaeofavosites sp." = Paleofavosites
"Palaeofavosites sp." = Paleofavosites Twenhofel 1914 tabulate coral
 Rugosa -
Rugosa indet. horn coral
cerioid (new genus?)
Demospongiae
 Chaetetida - Chaetetidae
Chaetetipora cf. ellesmerensis Norford 1967 chaetetid sponge